Alarm codeAL.E3
Absolute position counter warning occurs due to encoder noise, encoder fault, or movement exceeding ±32768 rotations from home position. The manual's first action is: “Power OFF→ON”
- Model
- Mitsubishi Electric MR-J2S-A
- Display shows
- Absolute position counter warning (AL.E3)
- Type
- Alarm code
- Source
- Manual p. 200
What AL.E3 means
Absolute position counter warning p. 200
Common causes
- 1. Noise entered the encoder. p. 200
- 2. Encoder faulty. p. 200
- 3. The movement amount from the home position exceeded a 32767 rotation or -32768 rotation in succession. p. 200
What to do
- Power OFF→ON p. 200
- Press "SET" on current alarm screen. p. 200
- Alarm reset (RES) p. 200
- Take noise suppression measures. p. 200
- Change servo motor. p. 200
- Make home position setting again. p. 200
Before you service the product, read the safety instructions in the manual p. 3.
If AL.E3 is still not resolved
- contact service / dealer p. 3 “Do not attempt to install, operate, maintain or inspect the servo amplifier and servo motor until you have read through this Instruction Manual, Installation guide, Servo motor Instruction Manual and appended documents carefully and can use the equipment correctly.”
- contact service / dealer p. 4 “Do not attempt to wire the servo amplifier and servo motor until they have been installed. Otherwise, you may get an electric shock.”
This page summarises what the manufacturer’s manual says about AL.E3; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Mitsubishi Electric. Found a mistake? Report an error.